gpu: nvgpu: Enable signed versus non-signed errors

Fix a few trivial signed versus unsigned problems, and enable
compilation flag to treat them as errors.

Change-Id: I68cc327885ef1efb12db7f347a2699a65415f889
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1265291
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 7e5984d3..b298c4c6 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -6620,7 +6620,7 @@ static int gr_gk20a_create_priv_addr_table(struct gk20a *g,
         u32 broadcast_flags;
         u32 t;
         int err;
-        u32 fbpa_num;
+        int fbpa_num;
 
         t = 0;
         *num_registers = 0;